<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="jquery-1.7.2.min.js"></script>
<script type="text/javascript">
	
$(function(){
	function fn1(){
		alert('1');
	}

	function fn2(){
		alert('2');
	}

	function fn3(){
		alert('3');
	}

	$('#dog').toggle(fn1,fn2,fn3);
	
})

</script>
</head>

<body>

<img src="dog.jpg" id="dog" />

</body>
</html>
